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/*******************************************************************************
* Copyright (c) 2018 Remain Software
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* wim.jongman@remainsoftware.com - initial API and implementation
*******************************************************************************/
package org.eclipse.tips.examples.swttip;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.tips.core.Tip;
import org.eclipse.tips.core.TipImage;
import org.eclipse.tips.core.TipProvider;
import org.eclipse.tips.core.internal.LogUtil;
import org.osgi.framework.Bundle;
import org.osgi.framework.FrameworkUtil;
public class SwtTipsProvider extends TipProvider {
private TipImage fImage64, fImage48;
private int fCounter;
private boolean fFetching;
@Override
public String getDescription() {
return "Never ending list of SWT Tips";
}
@Override
public String getID() {
return getClass().getName();
}
@Override
public synchronized List<Tip> getTips(boolean pFilter) {
List<Tip> tips = super.getTips(pFilter);
if (tips.size() <= 1) {
Job job = new Job(getDescription() + " is getting more tips.") {
@Override
protected IStatus run(IProgressMonitor pMonitor) {
return loadNewTips(pMonitor);
}
};
job.setUser(true);
job.schedule();
}
return tips;
}
@Override
public TipImage getImage() {
if (fImage48 == null) {
Bundle bundle = FrameworkUtil.getBundle(getClass());
try {
fImage48 = new TipImage(bundle.getEntry("icons/48/swt.png")).setAspectRatio(1);
} catch (IOException e) {
getManager().log(LogUtil.error(getClass(), e));
}
}
return fImage48;
}
@Override
public synchronized IStatus loadNewTips(IProgressMonitor pMonitor) {
SubMonitor subMonitor = SubMonitor.convert(pMonitor);
if (fFetching) {
return Status.CANCEL_STATUS;
}
try {
subMonitor.beginTask("Loading Tips for " + getDescription(), -1);
List<Tip> tips = new ArrayList<>();
tips.add(new SwtTipImpl(getID(),1));
tips.add(new SwtTipImpl(getID(),2));
tips.add(new SwtTipImpl(getID(),3));
tips.add(new SwtTipImpl(getID(),4));
tips.add(new SwtTipImpl(getID(),5));
addTips(tips);
return Status.OK_STATUS;
} finally {
fFetching = false;
subMonitor.done();
}
}
@Override
public void dispose() {
}
public int getCounter() {
return ++fCounter;
}
}
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